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button:hover{background:var(--violet-wash);color:var(--ink)}.lang-dropdown button.active{color:var(--violet);font-weight:600}.lang-dropdown-wide{display:grid;grid-template-columns:1fr 1fr;min-width:290px}@keyframes dropIn{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}.page-wrapper{padding-top:var(--header-h);min-height:100vh}.bh-hero{position:relative;padding:72px 28px 40px}.bh-hero-inner{max-width:1120px;margin:0 auto;display:flex;flex-direction:column;align-items:center}.bh-hero-left{display:flex;flex-direction:column;align-items:center;text-align:center}.bh-hero-logo-wrap{margin-bottom:22px}.bh-hero-logo{width:104px;height:104px;border-radius:30px;object-fit:cover;display:block;box-shadow:0 22px 50px -14px var(--glow);animation:logo-float 5s var(--ease-in-out) infinite}@keyframes logo-float{0%,to{transform:translateY(0) rotate(0)}50%{transform:translateY(-9px) rotate(2.5deg)}}.bh-hero-name{font-family:var(--font-display);font-weight:800;font-size:clamp(2.6rem,6.5vw,4rem);line-height:1;letter-spacing:-.035em;color:var(--ink);margin-bottom:10px}.bh-hero-name .accent{background:linear-gradient(120deg,var(--violet),var(--signal));-webkit-background-clip:text;background-clip:text;color:transparent}.bh-hero-tagline{font-size:1.18rem;color:var(--ink-faint);max-width:40ch;line-height:1.55;margin:0 auto 30px}.bh-hero-tagline b{color:var(--ink-dim);font-weight:600}.bh-hero-actions{display:flex;gap:12px;flex-wrap:wrap;align-items:center;justify-content:center}.bh-hero-right{max-width:340px;width:100%;margin:44px auto 0}@media(min-width:900px){.bh-hero{min-height:480px}.bh-hero-right{position:absolute;top:72px;right:max(28px,calc((100% - 1120px)/2 + 28px));margin:0}}.bh-tl-title{font-size:.95rem;font-weight:700;color:var(--ink);margin-bottom:18px}.bh-tl{position:relative;padding-left:18px;border-left:1px solid 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var(--ease);text-decoration:none}.dl-btn-primary{background:linear-gradient(135deg,var(--violet) 0%,var(--violet-deep) 100%);color:#fff;box-shadow:0 10px 26px -10px var(--glow)}.dl-btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 34px -10px var(--glow)}.dl-btn-outline{background:var(--panel);color:var(--ink);border:1px solid var(--line);box-shadow:var(--shadow-sm)}.dl-btn-outline:hover{color:var(--violet);border-color:var(--violet);background:var(--violet-wash);transform:translateY(-2px)}.bh-devices-grid{display:flex;justify-content:center;gap:80px;flex-wrap:wrap}.bh-dev-block{display:block;position:relative;text-align:center;cursor:pointer;color:inherit}.bh-dev-visual{display:flex;justify-content:center;align-items:flex-end;min-height:280px}.bh-dev-hover-label{margin-top:16px;padding:9px 18px;border-radius:10px;font-size:.92rem;color:var(--ink-dim);background:transparent;transition:all .25s var(--ease);opacity:.85}.bh-dev-hover-label b{color:var(--ink)}.bh-dev-block:hover .bh-dev-hover-label{background:var(--violet-wash);color:var(--violet);opacity:1}.bh-dev-block:hover .bh-dev-hover-label b{color:var(--violet)}.bh-mock-phone{width:162px;height:264px;border-radius:28px;border:2px solid var(--line-bright);overflow:hidden;position:relative;box-shadow:var(--shadow-lg);transition:transform .35s var(--ease),box-shadow .35s var(--ease)}.bh-mock-phone-ios{border-radius:32px}.bh-dev-block:hover .bh-mock-phone{transform:translateY(-6px);box-shadow:0 30px 56px -18px var(--glow)}.bh-mock-screen{width:100%;height:100%;display:flex;flex-direction:column}.bh-bub{padding:6px 10px;border-radius:14px;font-size:.72rem;max-width:85%;line-height:1.3}.bh-bub.sm{font-size:.65rem;padding:4px 8px;border-radius:10px}.bh-bub-l{background:#fff;color:#15161c;align-self:flex-start;border-bottom-left-radius:4px;box-shadow:0 1px 2px #0000001f}.bh-bub-r{background:var(--violet);color:#fff;align-self:flex-end;border-bottom-right-radius:4px}.bh-av{width:26px;height:26px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:.65rem;flex-shrink:0}.bh-av.sm{width:20px;height:20px;font-size:.55rem}.bh-desk-visual{text-align:center}.bh-mock-laptop{display:inline-block;width:560px;max-width:100%}.bh-mock-laptop-screen{height:300px;border:4px solid var(--line-bright);border-radius:16px 16px 0 0;background:var(--panel);display:flex;overflow:hidden;box-shadow:var(--shadow-lg)}.bh-mock-laptop-base{height:16px;margin:0 -8px;background:linear-gradient(180deg,var(--line-bright),var(--line));border-radius:0 0 12px 12px}.bh-mlp-side{width:142px;background:var(--panel-2);border-right:1px solid var(--line-soft);padding:9px;display:flex;flex-direction:column;gap:3px;font-size:.72rem;flex-shrink:0}.bh-mlp-chat{display:flex;align-items:center;gap:7px;padding:6px 8px;border-radius:7px;color:var(--ink-dim)}.bh-mlp-chat.act{background:var(--violet-wash);color:var(--violet);font-weight:600}.bh-mlp-main{flex:1;padding:16px;display:flex;flex-direction:column;gap:8px;background:var(--void-2)}.bh-desk-labels{display:flex;justify-content:center;gap:40px;margin-top:22px;flex-wrap:wrap}.bh-desk-link{font-size:.98rem;color:var(--violet);padding:8px 16px;border-radius:9px;transition:all .2s}.bh-desk-link:hover{background:var(--violet-wash)}.bh-desk-link b{color:var(--ink)}.bh-news-row{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;max-width:1000px;margin:0 auto}.bh-news-card{display:flex;flex-direction:column;color:inherit;background:var(--panel);border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .3s var(--ease),border-color .3s var(--ease),box-shadow .3s var(--ease)}.bh-news-card:hover{transform:translateY(-4px);border-color:var(--line-bright);box-shadow:var(--shadow-md);color:inherit}.bh-news-card-img{height:158px;display:flex;align-items:center;justify-content:center;font-size:2.6rem;background:linear-gradient(135deg,var(--panel-2),var(--panel-3));border-bottom:1px solid var(--line-soft);overflow:hidden}.bh-news-card-cover{width:100%;height:100%;object-fit:cover}.bh-news-card-text{padding:18px 20px 20px}.bh-news-card-text p{font-size:.9rem;color:var(--ink-dim);line-height:1.55;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.bh-news-card-date{font-size:.78rem;color:var(--ink-faint);margin-top:10px}.bh-features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:48px 36px;max-width:880px;margin:0 auto}.bh-feature{text-align:center}.bh-feature-icon{display:inline-flex;align-items:center;justify-content:center;height:76px;margin-bottom:14px}.bh-feature:nth-child(1) .bh-feature-icon{background:#5b6cf51f}.bh-feature:nth-child(2) .bh-feature-icon{background:#12a5941f}.bh-feature:nth-child(3) .bh-feature-icon{background:#d98a1621}.bh-feature:nth-child(4) .bh-feature-icon{background:#e0556b1f}.bh-feature:nth-child(5) .bh-feature-icon{background:#785ae621}.bh-feature:nth-child(6) .bh-feature-icon{background:#28aa961f}.bh-feature:nth-child(7) .bh-feature-icon{background:#5b6cf51f}.bh-feature:nth-child(8) .bh-feature-icon{background:#d98a1621}.bh-feature:nth-child(9) .bh-feature-icon{background:#12a5941f}.bh-feature h3{font-family:var(--font-display);font-size:1.18rem;font-weight:700;color:var(--violet);margin-bottom:8px;letter-spacing:-.01em}.bh-feature p{font-size:.92rem;color:var(--ink-faint);line-height:1.55;max-width:26ch;margin:0 auto}.bh-spec{max-width:var(--max-w);margin:0 auto;padding:0 28px;display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:var(--shadow-sm)}.bh-spec-item{background:var(--panel);padding:26px 20px;text-align:center}.bh-spec-num{font-family:var(--font-display);font-size:1.7rem;font-weight:800;color:var(--violet);letter-spacing:-.02em}.bh-spec-label{font-size:.8rem;color:var(--ink-faint);margin-top:6px}.site-footer{border-top:1px solid var(--line-soft);padding:54px 28px 34px;background:var(--void-2);margin-top:40px}.footer-inner{max-width:var(--max-w);margin:0 auto;display:grid;grid-template-columns:2fr repeat(4,1fr);gap:40px}.footer-brand-name{display:flex;align-items:center;gap:10px;font-family:var(--font-display);font-size:1.18rem;font-weight:800;color:var(--ink);margin-bottom:12px}.footer-logo-mark{width:28px;height:28px;border-radius:8px;object-fit:cover;display:inline-block;vertical-align:middle}.footer-brand p{font-size:.88rem;color:var(--ink-faint);margin-top:4px;line-height:1.55;max-width:32ch}.footer-col h4{font-size:.76rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-faint);margin-bottom:14px}.footer-col ul{list-style:none}.footer-col li{margin-bottom:9px}.footer-col a{font-size:.9rem;color:var(--ink-dim)}.footer-col a:hover{color:var(--violet)}.footer-bottom{max-width:var(--max-w);margin:36px auto 0;padding-top:22px;border-top:1px solid var(--line-soft);display:flex;align-items:center;justify-content:space-between;font-size:.82rem;color:var(--ink-faint)}.docs-layout{display:flex;max-width:1240px;margin:0 auto}.sidebar{position:sticky;top:var(--header-h);width:258px;flex-shrink:0;height:calc(100vh - var(--header-h));overflow-y:auto;padding:30px 18px;border-right:1px solid var(--line-soft)}.sidebar-section{margin-bottom:26px}.sidebar-title{font-family:var(--font-mono);font-size:.68rem;font-weight:500;text-transform:uppercase;letter-spacing:.16em;color:var(--ink-ghost);margin-bottom:10px;padding-left:12px}.sidebar-nav{list-style:none}.sidebar-nav a{display:block;padding:7px 12px;border-radius:8px;font-size:.88rem;color:var(--ink-dim);transition:all .16s var(--ease);border-left:2px solid transparent}.sidebar-nav a:hover{color:var(--ink);background:var(--violet-wash)}.sidebar-nav a.active{color:var(--violet);background:var(--violet-wash);border-left-color:var(--violet);font-weight:600}.content-area{flex:1;min-width:0;padding:44px 56px;max-width:820px}.content-area h1{font-family:var(--font-display);font-size:2.3rem;font-weight:800;letter-spacing:-.03em;margin-bottom:10px;color:var(--ink)}.content-area h2{font-family:var(--font-display);font-size:1.45rem;font-weight:700;margin-top:52px;margin-bottom:16px;padding-bottom:10px;border-bottom:1px solid var(--line-soft);letter-spacing:-.01em;color:var(--ink);position:relative}.content-area h2:before{content:"";position:absolute;bottom:-1px;left:0;width:48px;height:1px;background:var(--violet)}.content-area 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